Christina Aguilera & Pitbull: 'The Voice' Finale Performance (Video)

Christina Aguilera shows off her midriff while performing onstage during day two of The Voice Season 4 Finale on Tuesday (June 18) in Universal City, Calif.

The 32-year-old entertainer was joined on stage by Pitbull while performing “Feel This Moment.”

PHOTOS: Check out the latest pics of Christina Aguilera

“Happy Hillbilly Birthday @BlakeShelton sending you love! XoXtina,” Christina tweeted earlier in the day.

Over the weekend, Christina was spotted rocking a fedora while arriving at Four Seasons Hotel in L.A.

10+ pictures inside of Christina Aguilera performing on The Voice…